Friday
December 6, 2013

# Posts by Stacy

Total # Posts: 443

geometry
The legs of a right triangle measure 3x 8. A cube has edge lengths and 15. If the hypotenuse measures of 6 inches. What is the 3x+3, what is the value of x?

physics
How long does it take a 25 kW steam engine to do 5.6 × 10^7J of work? Answer in units of s

Calculus
Thank you so very much for your help....

Calculus

math
The median weekly earnings for people working in sales is \$450. Assume that the weekly earnings are approx. normally distributed with a standard deviation of \$90. What is the mean weekly earnings for people working in sales?

Math
The median weekly earnings for people working in sales is \$450. Assume that the weekly earnings are approx. normally distributed with a standard deviation of \$90. What is the mean weekly earnings for people working in sales?

physics
An ore car of mass 42000 kg starts from rest and rolls downhill on tracks from a mine. At the end of the tracks, 6.8 m lower vertically, is a horizontally situated spring with constant 3.8 x 10^5 N/m. The acceleration of gravity is 9.8 m/s^2. How much is the spring compressed ...

Calculus
Thank you so much. I had the integral part, but was off on the rest. :)

Calculus
definite Integrals (using fundamental Theorem) Evaluate from -1 to 2(x^2 - 4x)dx

Math
Which probability interpretation is most reasonable to use: relative frequency, subjective, or classical? The probability your company's sales will exceed seven million dollars this year. Is this relative frequency? The probability that the S&P will increase or decrease by...

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